Standard Specifications for Transportation Materials and Methods of Sampling and Testing, and AASHTO Provisional Standards, 42nd Edition, 2022
standard by American Association of State and Highway Transportation Officials, 08/01/2022

2022 Interim Revisions to LRFD Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals, 1st Edition
Amendment by American Association of State and Highway Transportation Officials,

Survey of State Funding for Public Transportation – Final Report 2022, Based on FY 2020 Data
Report / Survey by American Association of State and Highway Transportation Officials, 2022

AASHTO Guide Specifications for Analysis and Identification of Fracture Critical Members and System Redundant Members, First Edition, 2022 Interim Revisions
Amendment by American Association of State and Highway Transportation Officials, 2022

AASHTO LRFD Bridge Construction Specifications, 4th Edition, 2022 Interim Revisions
Amendment by American Association of State and Highway Transportation Officials, 2022

Guide Specifications for Bridges Subject to Tsunami Effects, First Edition
Handbook / Manual / Guide by American Association of State and Highway Transportation Officials, 2022

Guide Specifications for Internal Redundancy of Mechanically-Fastened Built-Up Steel Members, First Edition, 2022 Interim Revisions
Amendment by American Association of State and Highway Transportation Officials, 2022

Bridge Security Guidelines, 2nd Edition
standard by American Association of State and Highway Transportation Officials, 05/01/2022

Errata to Manual for Assessing Safety Hardware, Second Edition
Amendment by American Association of State and Highway Transportation Officials, 06/01/2022

2022 Interim Revisions, Guide Specifications for LRFD Seismic Bridge Design, 2nd Edition
Amendment by American Association of State and Highway Transportation Officials, 2022